Power shift planetary gear transmission

Details Power shift planetary gear transmission Power shift planetary gear transmission

1981-06-23

1985-12-24

Braun, Leslie A.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74740, 74769, F16H 5710

Patent

active

045598495

ABSTRACT:
A planetary gear transmission having at least two different gearing diameters, the pinions of which are journalled independently of each other so that they can have a large gear ratio step between them; and a multi-speed transmission including first and second planetary gear sets, the second of which sets is the planetary gear transmission having the two different gearing diameters journalled independently of each other. In the multi-speed transmission, the gear ratio steps of the second planetary gear set each exceed the highest gear ratio of the first planetary gear set.

REFERENCES:
patent: 3021729 (1962-02-01), Chambers et al.
patent: 4077280 (1978-03-01), Kress et al.
patent: 4077281 (1978-03-01), Michael
patent: 4142425 (1979-03-01), Ahlen et al.
patent: 4214489 (1980-07-01), Ahlen et al.
patent: 4314487 (1982-02-01), Ahlen
patent: 4328716 (1982-05-01), Ahlen et al.
patent: 4391163 (1983-07-01), Benthake et al.
patent: 4453430 (1984-06-01), Sell

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